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HD4000 on 6 series no QE

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Hello there, having a bit of difficulty getting HD4000 graphics to work fully. Current situation:


About This Mac reports: Intel HD Graphics 4000 1024 MB

Screen resolution is good - all seems to be working fine.

Sleep / wake appears alright. Sound good. Mouse is not laggy - all seems fairly responsive except accelerated graphics=none.


No QE - opaque menu bar etc

No video such as bbc iplayer - black screen. Youtube works but is not being driven by card - uses lots of processor.


Asus P8H61-I (6 series sandy bridge desktop)

i3 3225 (7 series ivy desktop)

4gb RAM


Yosemite 10.10

Vanilla install following these guides:





Chameleon 2.3svn r 2578


I’ve tried various combinations of bootflags:


GraphicsEnabler=yes / =no

IGPEnabler=yes / no

IntelCapriFB=0 through to IntelCapriFB=11 - kernel panics every so often; nothing better than chameleon’s default.



and loads of other things!


kextstat reveals intelHD4000 is loading.


also tried KemalAlkin’s patched AppleIntelFramebufferCapri.kext and AppleIntelSNBGraphicsFB.kext to see if that helps - no!






Any suggestions on how to get HD4000 working properly? I’ve been doing a lot of reading around on this forum, but no luck so far.


chameleon plist, kextstat output, and screenshots attached for more detail.






Chameleon plist:

<key>Graphics Mode</key>
<key>Kernel Flags</key>
Pretending to be mac mini 6,2

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Solved: use DSDT for series 7 / HD4000 on series six motherboard. Thanks to microsoftFTW who patched my DSDT for me.

Use DSDT plus injection - e.g. with chameleon, the following worked for me:


<key>Graphics Mode</key>




Full acceleration - QE and all. Good work.

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